[PATCH V3 1/5] dt-bindings: mfd: ti,bq25703a: Add TI BQ25703A Charger

[Sebastian Reichel]

Hi,

On Mon, Jun 23, 2025 at 11:22:19AM -0500, Chris Morgan wrote:
> From: Chris Morgan <macromorgan at hotmail.com>
> 
> Document the Texas instruments BQ25703A series of charger managers/
> buck/boost regulators.
> 
> Signed-off-by: Chris Morgan <macromorgan at hotmail.com>
> ---

Reviewed-by: Sebastian Reichel <sebastian.reichel at collabora.com>

Greetings,

-- Sebastian

>  .../devicetree/bindings/mfd/ti,bq25703a.yaml  | 121 ++++++++++++++++++
>  1 file changed, 121 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/ti,bq25703a.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mfd/ti,bq25703a.yaml b/Documentation/devicetree/bindings/mfd/ti,bq25703a.yaml
> new file mode 100644
> index 000000000000..0727f24b8e54
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/ti,bq25703a.yaml
> @@ -0,0 +1,121 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/ti,bq25703a.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: BQ25703A Charger Manager/Buck/Boost Converter
> +
> +maintainers:
> +  - Chris Morgan <macromorgan at hotmail.com>
> +
> +allOf:
> +  - $ref: /schemas/power/supply/power-supply.yaml#
> +
> +properties:
> +  compatible:
> +    const: ti,bq25703a
> +
> +  reg:
> +    const: 0x6b
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  power-supplies: true
> +
> +  monitored-battery:
> +    description:
> +      The phandle for a simple-battery connected to this gauge.
> +      A minimum of constant-charge-current-max-microamp,
> +      constant-charge-voltage-max-microvolt, and
> +      voltage-min-design-microvolt are required.
> +
> +  input-current-limit-microamp:
> +    description:
> +      Maximum total input current allowed used for both charging and
> +      powering the device.
> +    minimum: 50000
> +    maximum: 6400000
> +    default: 3250000
> +
> +  regulators:
> +    type: object
> +    additionalProperties: false
> +    description:
> +      Boost converter regulator output of bq257xx.
> +
> +    properties:
> +      "usb-otg-vbus":
> +        type: object
> +        $ref: /schemas/regulator/regulator.yaml
> +
> +        properties:
> +          regulator-name: true
> +          regulator-min-microamp:
> +            minimum: 0
> +            maximum: 6350000
> +          regulator-max-microamp:
> +            minimum: 0
> +            maximum: 6350000
> +          regulator-min-microvolt:
> +            minimum: 4480000
> +            maximum: 20800000
> +          regulator-max-microvolt:
> +            minimum: 4480000
> +            maximum: 20800000
> +          enable-gpios:
> +            description:
> +              The BQ25703 may require both a register write and a GPIO
> +              toggle to enable the boost regulator.
> +
> +        additionalProperties: false
> +
> +        required:
> +          - regulator-name
> +          - regulator-min-microamp
> +          - regulator-max-microamp
> +          - regulator-min-microvolt
> +          - regulator-max-microvolt
> +
> +unevaluatedProperties: false
> +
> +required:
> +  - compatible
> +  - reg
> +  - input-current-limit-microamp
> +  - monitored-battery
> +  - power-supplies
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    #include <dt-bindings/pinctrl/rockchip.h>
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        bq25703: charger at 6b {
> +            compatible = "ti,bq25703a";
> +            reg = <0x6b>;
> +            input-current-limit-microamp = <5000000>;
> +            interrupt-parent = <&gpio0>;
> +            interrupts = <RK_PD5 IRQ_TYPE_LEVEL_LOW>;
> +            monitored-battery = <&battery>;
> +            power-supplies = <&fusb302>;
> +
> +            regulators {
> +                usb_otg_vbus: usb-otg-vbus {
> +                    enable-gpios = <&gpio4 RK_PA6 GPIO_ACTIVE_HIGH>;
> +                    regulator-max-microamp = <960000>;
> +                    regulator-max-microvolt = <5088000>;
> +                    regulator-min-microamp = <512000>;
> +                    regulator-min-microvolt = <4992000>;
> +                    regulator-name = "usb_otg_vbus";
> +                };
> +            };
> +        };
> +    };
> +
> +...
> -- 
> 2.43.0
> 
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